Drug Guide
Soybean Oil
Classification
Therapeutic: Nutritional Supplement, Parenteral Nutrition
Pharmacological: Lipid Emulsion
FDA Approved Indications
- Provision of essential fatty acids and calories in parenteral nutrition for patients unable to obtain adequate nutrition orally or enterally.
Mechanism of Action
Provides a source of calories and essential fatty acids, supporting cellular function and growth by supplying triglycerides that are metabolized to produce energy.
Dosage and Administration
Adult: Typically 10-30% lipid emulsions administered via IV in doses determined by patient needs, usually 1-2 g/kg/day of lipids.
Pediatric: Dosing varies; typically 0.5-3 g/kg/day depending on age and nutritional requirements.
Geriatric: Adjust doses based on nutritional status and weight; monitor for lipid tolerance.
Renal Impairment: Use with caution; monitor triglycerides and nutritional status.
Hepatic Impairment: Use cautiously; hepatic dysfunction may affect lipid metabolism.
Pharmacokinetics
Absorption: Administered intravenously, bypassing absorption processes.
Distribution: Distributed throughout body tissues, incorporated into cell membranes.
Metabolism: Metabolized primarily in the liver.
Excretion: Excreted mainly via metabolic pathways; triglycerides are broken down and fatty acids utilized or stored.
Half Life: Approximately 2-3 days, varies with metabolic rate and lipid clearance.
Contraindications
- Hypersensitivity to soybean oil or other components of the emulsion.
- Acute liver disease.
- Severe hyperlipidemia.
Precautions
- Monitor triglyceride levels, especially in patients with impaired lipid metabolism.
- Use cautiously in patients with allergy to soy or eggs.
Adverse Reactions - Common
- Elevated triglycerides (Common)
- Fever, chills during infusion (Common)
Adverse Reactions - Serious
- Allergic reactions including anaphylaxis (Uncommon)
- Fat overload syndrome (hyperlipidemia, hepatomegaly, fever, ARDS) (Rare)
Drug-Drug Interactions
- May interact with medications affecting lipid metabolism (e.g., orlistat).
Drug-Food Interactions
- Limited interaction data.
Drug-Herb Interactions
- Limited data.
Nursing Implications
Assessment: Monitor triglyceride levels, liver function tests, and for allergic reactions.
Diagnoses:
- Imbalanced nutrition: less than body requirements.
- Risk for fat overload syndrome.
Implementation: Administer via infusion pump, monitor for adverse reactions, check lipid levels regularly, and ensure proper infusion techniques.
Evaluation: Maintain appropriate nutritional status, absence of adverse reactions, and normal lipid levels.
Patient/Family Teaching
- Report any allergic reactions or unusual symptoms.
- Explain that it's administered intravenously in a healthcare setting.
- Emphasize importance of monitoring during therapy.
Special Considerations
Black Box Warnings:
- None explicitly for soybean oil emulsions, but caution in hypersensitive individuals.
Genetic Factors: Possible allergy in individuals with soy or egg allergy.
Lab Test Interference: May affect lipid panels; consider timing of blood tests.
Overdose Management
Signs/Symptoms: Lipid overload, hypertriglyceridemia, shortness of breath, fever, hepatomegaly.
Treatment: Discontinue infusion, monitor triglycerides, supportive care as needed.
Storage and Handling
Storage: Store at room temperature, protected from light.
Stability: Stable until expiration date when stored properly.